Redhawk is a double action revolver, as opposed to the single action Blackhawk.
Ruger Redhawk was created in 1979.
Ruger Super Redhawk was created in 1987.
100-1000 USD depending on specifics
100-600 or so
Midway USA's Gun Stories - 2011 Ruger Redhawk 3-2 was released on: USA: 10 July 2013
The value of any firearm is heavily dependant on the condition. The Redhawk may be worth as little as $200, or as much as $600.
$400-$575, depending on condition.